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Four families
629 JEFFERSON AVENUE
BROOKLYN · BIN 3045429
💬 Discuss this project
1910Year Built
3Stories
C3Building Class
R6BZoning
2,772 sfGross Floor Area
4Units
Rent Stabilized6 Open Violations ▸FDNY Report ↗
Four families · 2,000 sf lot · 1.39 FAR built · Flood zone X
Locations of Work
ArchitecturePlumbingFire Protection
Permit Issued — active, not yet Signed-off
Roof2p · 1 filing · 20 docs
Floor 3Under Construction19p · 1 filing · 20 docs
Floor 2Under Construction20p · 2 filings · 20 docs
Floor 1Under Construction20p · 2 filings · 20 docs
CellarUnder Construction20p · 1 filing · 20 docs
Basement2p · 1 filing · 20 docs
Sub-BasementUnder Construction17p · 1 filing · 20 docs
1 job · most recent 09/23/2024
Air Conditioning Systems
FiledStatusContractorScopeMake / Model / Capacity
09/23/2024——Air Conditioning Systems
Cooling
Mitsubishi Electric MSZ-FS15NA 15,000 BTU · Split System ×6
MSZ-FS09NA 9,000 BTU · Split System ×4
MXZ-3C30NA3 30,000 BTU · Split System ×2
MXZ-4C36NA3 36,000 BTU · Split System ×2
1 job · most recent 04/21/2026
Gas Water/Sanitary
FiledStatusContractorScope
04/21/2026Permit IssuedCK PLUMBING & MECH INCGas, Water/Sanitary
1 job · most recent 09/23/2024
FiledStatusContractorScope
09/23/2024——1 scope_items
Building Lifecycle
All (137)Filed (9)Permit Issued (3)Violation (19)Inspection (2)Objection (74)Special Inspection (30)
08/05/2026
Objection resolved — Addressed
07/20/2026
Objection resolved — Addressed
07/20/2026
Objection resolved — Addressed
07/07/2026
Objection raised — Cost
07/07/2026
Objection raised — Scope
07/07/2026
Objection raised — Scope
07/07/2026
Objection raised — Mechanical
07/07/2026
Objection raised — Structural
07/07/2026
Objection raised — Structural
07/07/2026
Objection raised — Admin
06/26/2026
Inspection — Certified Storm Drainage-ST-Piping-Underground
Certified
View inspection ↗
06/26/2026
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Underground
Certified
View inspection ↗
06/11/2026
Special inspection requirement — Structural Stability – Alterations of existing buildings
Kyumyeon Lee
06/11/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
Kyumyeon Lee
06/11/2026
Special inspection requirement — Energy Code Compliance Inspections
Kyumyeon Lee
06/11/2026
Special inspection requirement — Lighting controls
Kyumyeon Lee
06/11/2026
Special inspection requirement — Lighting in dwelling units
Kyumyeon Lee
06/11/2026
Special inspection requirement — Fenestration and door U-factor and product ratings
Kyumyeon Lee
06/11/2026
Special inspection requirement — Interior lighting power
Kyumyeon Lee
06/11/2026
Special inspection requirement — Fenestration areas
Kyumyeon Lee
05/05/2026
Violation issued (HPD, open)
A
04/21/2026
Filed — Alteration
Interior renovation of existing 4 story & 4 family residential building. No change in use, occupancy, egress OR bulk of existing building under this application.
B00942544-P2
04/21/2026
Filed — Alteration
Interior renovation of existing 4 story & 4 family residential building. No change in use, occupancy, egress OR bulk of existing building under this application.
B00942544-S1
04/21/2026
Filed — Alteration
Interior renovation of existing 4 story & 4 family residential building. No change in use, occupancy, egress OR bulk of existing building under this application.
B00942544-P3
04/06/2026
Special inspection requirement — Fenestration areas
Kyumyeon Lee
04/06/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
Kyumyeon Lee
04/06/2026
Special inspection requirement — Structural Stability – Alterations of existing buildings
Kyumyeon Lee
04/06/2026
Special inspection requirement — Energy Code Compliance Inspections
Kyumyeon Lee
04/06/2026
Special inspection requirement — Interior lighting power
Kyumyeon Lee
04/06/2026
Special inspection requirement — Lighting in dwelling units
Kyumyeon Lee
04/06/2026
Special inspection requirement — Fenestration and door U-factor and product ratings
Kyumyeon Lee
04/06/2026
Special inspection requirement — Lighting controls
Kyumyeon Lee
03/30/2026
Permit issued — Plumbing
B00942544-I1-PL
02/12/2026
Permit issued — General Construction
B00942544-S2-GC
01/21/2026
Objection resolved — Addressed
01/05/2026
Objection resolved — Addressed
01/05/2026
Objection resolved — Addressed
12/30/2025
Objection resolved — Addressed
11/19/2025
Violation issued (HPD, closed)
I
11/12/2025
Objection raised — Mechanical
11/06/2025
Permit issued — Plumbing
B00942544-I1-PL
11/04/2025
Objection resolved — Addressed
11/04/2025
Objection resolved — Addressed
11/04/2025
Objection resolved — Addressed
09/29/2025
Objection raised — Structural
07/22/2025
Objection resolved — Addressed
07/22/2025
Objection resolved — Addressed
07/22/2025
Objection resolved — Addressed
06/27/2025
Objection raised — Scope
06/27/2025
Objection raised — Structural
06/27/2025
Objection raised — Admin
06/27/2025
Objection raised — Admin
06/27/2025
Objection raised — Cost
06/27/2025
Objection raised — Other
06/27/2025
Objection raised — Admin
06/23/2025
Filed — Alteration
Interior renovation of existing 4 story & 4 family residential building. No change in use, occupancy, egress OR bulk of existing building under this application.
B00942544-S2
06/10/2025
Violation issued (HPD, open)
A
03/07/2025
Objection raised — Scope
12/11/2024
Objection resolved — Addressed
11/27/2024
Violation issued (HPD, closed)
I
Latest 60 of 137 events.
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
02/28/2023$1.9M—— → —$682/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
KYU LEE ARCHITECT, PC804/21/2026
CHONG ENGINEERING, P.C.101/16/2024
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
ESCCO CONSTRUCTION CORPGeneral Contractor303/21/2026
CK PLUMBING & MECH INCPlumbing207/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
KYU LEE ARCHITECT, PC1978504/21/2026
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWPlumbingPermit IssuedCK PLUMBING & MECH INC03/30/2026
DOB NOWGeneral ConstructionPermit IssuedESCCO CONSTRUCTION CORP02/12/2026
DOB NOWPlumbingPermit IssuedCK PLUMBING & MECH INC11/06/2025
▾Field Inspections (DOB CAP) — 2
DateTypeResultReport
06/26/2026Certified Storm Drainage-ST-Piping-UndergroundCertifiedView ↗
06/26/2026Certified Water and Sanitary-WS-Sanitary Piping-UndergroundCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 32
DateRequirementInspectorRole
06/11/2026Structural Stability – Alterations of existing buildingsKyumyeon Leespecial
06/11/2026Fire-Resistant Penetrations and JointsKyumyeon Leespecial
06/11/2026Energy Code Compliance InspectionsKyumyeon Leeprogress
06/11/2026Lighting controlsKyumyeon Leeenergy_progress
06/11/2026Lighting in dwelling unitsKyumyeon Leeenergy_progress
06/11/2026Fenestration and door U-factor and product ratingsKyumyeon Leeenergy_progress
06/11/2026Interior lighting powerKyumyeon Leeenergy_progress
06/11/2026Fenestration areasKyumyeon Leeenergy_progress
04/06/2026Fenestration areasKyumyeon Leeenergy_progress
04/06/2026Fire-Resistant Penetrations and JointsKyumyeon Leespecial
04/06/2026Structural Stability – Alterations of existing buildingsKyumyeon Leespecial
04/06/2026Energy Code Compliance InspectionsKyumyeon Leeprogress
04/06/2026Interior lighting powerKyumyeon Leeenergy_progress
04/06/2026Lighting in dwelling unitsKyumyeon Leeenergy_progress
04/06/2026Fenestration and door U-factor and product ratingsKyumyeon Leeenergy_progress
04/06/2026Lighting controlsKyumyeon Leeenergy_progress
09/30/2024Structural Stability – Alterations of existing buildings—special
08/07/2024Lighting controlsKyumyeon Leeenergy_progress
08/07/2024Lighting in dwelling unitsKyumyeon Leeenergy_progress
08/07/2024HVAC-R and service water heating equipmentKyumyeon Leeenergy_progress
08/07/2024Mechanical SystemsKyumyeon Leespecial
08/07/2024Energy Code Compliance InspectionsKyumyeon Leeprogress
08/07/2024FinalYUNHO LEEprogress
08/07/2024Interior lighting powerKyumyeon Leeenergy_progress
08/07/2024HVAC-R and service water heating system controlsKyumyeon Leeenergy_progress
Latest 25 of 32.
▾Documents — 44 on file (BIS + DOB NOW)
▸Plans & Drawings9
▸DOB NOWPlans/Sketch9
08/17/2026B00942544-S1Request digital key ↗
08/17/2026B00942544-I1Request digital key ↗
08/17/2026B00942544-P3Request digital key ↗
Showing 3 of 9 on file for this type
▸Zoning, Tax Lot & Property Records2
▸DOB NOWZD1: DOB Zoning Diagram2
08/13/2026B00935279-P1Open ↗
08/13/2026B00935279-I1Open ↗
▸Seals & Professional Certifications22
▸DOB NOWDPL-1: Design Professional Seal & Signature11
08/26/2026B00935279-I1Open ↗
08/26/2026B00935279-P1Open ↗
08/26/2026B00935279-S1Open ↗
Showing 3 of 11 on file for this type
▸DOB NOWProgress Inspector Seal & Signature7
08/30/2026B00935279-P1Open ↗
08/30/2026B00935279-P1Open ↗
08/30/2026B00935279-P1Open ↗
Showing 3 of 7 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature4
08/30/2026B00935279-P1Open ↗
08/29/2026B00942544-S1Open ↗
08/25/2026B00942544-P3Open ↗
Showing 3 of 4 on file for this type
▸Environmental & Asbestos4
▸DOB NOWDEP ACP-20/ACP-21: Asbestos Project Conditional Completion Form/Asbestos Project Completion Form4
08/15/2026B00935279-I1Open ↗
08/14/2026B00935279-S1Open ↗
08/13/2026B00942544-S2Open ↗
Showing 3 of 4 on file for this type
▸Other Documents7
▸DOB NOWPlot Diagram3
08/13/2026B00935279-I1Open ↗
08/13/2026B00935279-P1Open ↗
08/13/2026B00935279-S1Open ↗
▸DOB NOWLocal Law 92/94 of 2019 Sustainable Roof Zone2
08/13/2026B00935279-P1Open ↗
08/13/2026B00935279-I1Open ↗
▸DOB NOWSite Survey: Initial2
08/13/2026B00935279-P1Open ↗
08/13/2026B00935279-I1Open ↗